[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR440.110] [Page 431] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 440--ORE MINING AND DRESSING POINT SOURCE CATEGORY--Table of Contents Subpart K--Platinum Ores Subcategory Sec. 440.110 Applicability; description of the platinum ore subcategory. The provisions of this subpart K are applicable to discharges from (a) mines that produce platinum ore and (b) mills that process platinum ore.